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- pronunciation:
- uhn
suhr
t
 n
- features:
- Word Combinations (adjective), Word Explorer, Word Parts
| part of speech: |
adjective |
| definition 1: |
not known with certainty; indefinite or vague.
With this new evidence, it is now uncertain whether the drug is safe.What happened to the lost ship and the crew is still uncertain.- synonyms:
- ambiguous, indefinite, indeterminate, unclear, vague
- antonyms:
- certain, definite, positive
- similar words:
- blurry, borderline, debatable, doubtful, equivocal, foggy, indistinct, moot, murky, nebulous, obscure, questionable, undetermined, unknown, unsettled
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| definition 2: |
not knowing with certainty; doubtful or unsure.
We're still uncertain about our plans for retirement.I'm uncertain as to how long I'll be away; it could be weeks or even months.She's uncertain what to do now that she's been offered this new job.Some of the council members were enthusiastic about the proposal but others were uncertain.- synonyms:
- doubtful, irresolute, undecided, unsure, vague
- antonyms:
- certain, confident, positive, sure
- similar words:
- dubious, hesitant, indecisive, skeptical, uneasy, wavering, wishy-washy
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| definition 3: |
undecided, changeable, or unpredictable.
Sailing in this uncertain weather is not advisable.The uncertain political climate in the nation is making foreign investors somewhat wary.- synonyms:
- changeable, undecided, unpredictable, variable
- antonyms:
- assured, certain, predictable, sure
- similar words:
- aleatory, chancy, doubtful, erratic, fluctuating, precarious, random, risky, up in the air
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| related words: |
adrift, contingent, critical, fickle, inconsistent, insecure, irresolute, queasy, quizzical, sketchy, suspicious, tentative, volatile |
adverb + (adj.)uncertain
consequently, equally, highly, increasingly, inherently, somewhat
(adj.)uncertain
+ adverb
best
(adj.)uncertain
+ noun
climate,
consequence,
duration,
effectiveness,
ending,
environment,
fate,
financing,
footing,
funding,
future,
glance,
grasp,
intention,
journey,
loyalty,
motive,
origin,
outcome,
outlook,
parameter,
parentage,
projection,
prospect,
provenance,
singer,
status,
tenure,
term,
terrain,
trumpet,
uncertainty,
validity,
warming
[See all][See only the most frequent]
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| derivations: |
uncertainly (adv.), uncertainness (n.) |
The word uncertain
contains the following part:
un-1
Old English
prefix
that means not
  More about this word part:
The prefix un1 attaches to adjectives to create adjectives that mean the opposite of the base word.
Example words:
unable, unarmed, unaware, unbeaten, unbelievable, uncertain, uncivil, unclear, uncomfortable, uncommon, unconscious, unconstitutional, uncooperative, undecided, undue, unemployed, uneasy, unequal, uneven, unequivocal, unexceptionable, unexceptional, unfair, unfamiliar, unfinished, unfortunate, unfriendly, unhappy, unhealthy, unimportant, uninhabited, uninterested, unkempt, unkind, unknown, unlawful, unlike, unlimited, unlucky, unnatural, unnecessary, unorthodox, unpleasant, unpopular, unreliable, unreasonable, unsafe, unsatisfactory, unstable, unsteady, untidy, untrue, unusual, unwell
- synonyms:
- dis-, de-, in-2
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